Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 27 / 49
3.5 Electrical connection
3.5.1 Multicontroller (MC) electrical circuit diagram
Life-threatening danger due to electric shock
Live units and exposed connection cables can generate an electric shock and cause severe accidents.
Work on electrical connections must be carried out exclusively by trained, qualified electricians.
Ensure that the unit is voltage-free before routing all electrical connections.
Capacitor condenser fan
(external)
Capacitor evaporator fan
(internal)
Display control unit (MC)
Evaporator fan (internal)
Fault signal contact (1,2)
Door contact / signal (3,4)
Temperature sensor
(internal)
Temperature sensor
(external)
Temperature sensor
(internal)
Mains terminal contact
+ Door contact
+Fault indication
Multimaster terminal contact
+ Temperature sensor
(external)
Heater condensate contact
Power cable
3x360V – 440V 50Hz
3x414V – 506V 60 Hz
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